How far is Austin, TX from Lake Dunlap, TX?

The driving distance from Austin, TX to Lake Dunlap, TX is about 51.3 miles (82.5 km), with a travel time of about 01h 01m by car.

  • The straight-line flight distance is about 45.4 miles (73 km).
  • For a round trip, plan for roughly 02h 03m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
51.29 mi
01h 01m
Flight
45.36 mi
73 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Austin.

Flight Distance

Direct air line
45.36 mi
Kilometers
73 km
Flight Time
00h 05m

Driving Distance

Road route
51.29 mi
Kilometers
82.54 km
Drive Time
01h 01m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 01h 01m.

Arrival Snapshot
Arrive in Lake Dunlap
Thu, Apr 23, 3:28 AM CDT
Return by in Austin
Thu, Apr 23, 4:29 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Austin
2026-04-23T02:26
Arrive Lake Dunlap
Thu, Apr 23, 3:28 AM CDT
Route Timing
01h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:02 AM to 11:02 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:26 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Austin
9:30 PM CDT
Morning start is best

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Kyle
TX

A city in Hays County, Texas.

From Austin
25.7 mi
00h 30m
To Lake Dunlap
25.6 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 10 mph S
Destination
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph S

Driving Route Map

The map below follows the saved road route between Austin and Lake Dunlap.

Turn-by-Turn Driving Directions

Step-by-step road directions between Austin and Lake Dunlap.

  1. 1

    Start on East 5th Street

    2551 ft · 1 min · East 5th Street

  2. 2

    At the end of the road, turn right onto North Interstate 35

    1893 ft · 40 sec · North Interstate 35

  3. 3

    Take the ramp slight left toward I 35 South

    899 ft · 22 sec

  4. 4

    Merge slight left onto Purple Heart Trail

    45.7 mi · 50 min · Purple Heart Trail

  5. 5

    Take the exit slight right toward FM 725: Seguin Avenue, Lake McQueeney

    1603 ft · 39 sec

  6. 6

    Continue on Interstate 35 North

    148 m · 17 sec · Interstate 35 North

  7. 7

    Turn left onto South Seguin Avenue

    2.6 mi · 4 min · South Seguin Avenue

  8. 8

    Turn left onto East Zipp Road

    1.1 mi · 2 min · East Zipp Road

  9. 9

    Turn right onto Potthast Drive

    1920 ft · 1 min · Potthast Drive

  10. 10

    Turn right

    130 m · 31 sec

  11. 11

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Austin and Lake Dunlap.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
11 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
21.4 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
45.7 mi · 89%
South Seguin Avenue
2.61 mi · 5%
East Zipp Road
1.12 mi · 2%
East 5th Street
0.48 mi · 1%
Potthast Drive
0.36 mi · 1%
North Interstate 35
0.36 mi · 1%
Longest Stretch

Purple Heart Trail

Merge slight left onto Purple Heart Trail

45.7 mi · 00h 50m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 01m
Day trip friendly
Same-Day Return
02h 04m
Round-trip wheel time
Road vs Air
+5.9 mi
45.4 mi direct line
Halfway Stop
Kyle
00h 30m from Austin
Leave By
4:26 PM CDT
Morning start is best
Weather Watch

Mostly Cloudy leaving Austin and Mostly Cloudy near Lake Dunlap.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Austin to Lake Dunlap?

The road trip is about 51.3 miles (82.5 km) and usually takes 01h 01m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Kyle is a useful midpoint, sitting about 25.7 miles from Austin and 25.6 miles from Lake Dunlap.

How much longer is the road route than the straight-line distance?

The direct path is about 45.4 miles (73 km), while the road route adds roughly 5.9 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:26 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.84 one way or $13.68 round trip. Estimated CO2 is about 16.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Austin and Mostly Cloudy near Lake Dunlap.

Stop Ideas Near Kyle

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Kyle, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Kyle.

RAIL

San Marcos Station

13 mi away
338 South Guadalupe St.
RAIL

Austin

33 mi away
250 North Lamar Blvd.
RAIL

Taylor

78 mi away
118 East First St.
RAIL

San Antonio Station

86 mi away
350 Hoefgen Street

Flight Path Map

This map shows the direct air route between Austin and Lake Dunlap. Straight-line distance: 45.36 mi (73 km).

Austin

#1 Austin

The eleventh most populous city in the United States and the center of the Austin metropolitan area.

Population995,484
Coordinates30.2671500, -97.7430600
Altitude149
CountryUnited States
Photo coming soon

#2 Lake Dunlap

Census-designated place in Texas

Population1,934
Coordinates29.6757800, -98.0722300
Altitude180
CountryUnited States
Start: Austin (-97.74306, 30.26715)
End: Lake Dunlap (-98.07223, 29.67578)

Estimated Travel Time

Distance: 83 km by road

SpeedTime
30 mph (48.3 km/h)01h 42m
40 mph (64.37 km/h)01h 16m
50 mph (80.47 km/h)01h 01m
60 mph (96.56 km/h)00h 51m
70 mph (112.65 km/h)00h 43m
80 mph (129 km/h)00h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.81 gal
6.85 L · about $6.84
Round trip
$13.68
3.62 gal · 13.7 L
Estimated CO2
16.1 kg one way
Round trip: 32.2 kg / 71 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $6.84 $13.68
Mid-grade $4.25 $7.70 $15.39
Premium $4.59 $8.31 $16.62
Diesel $3.99 $7.23 $14.45

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Texas · Apr 23, 2026

There is no time difference between Austin and Lake Dunlap. The current time is 02:26:34.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.